What is acceleration as he comes to rest on the pad

Reference no: EM13302441

A pole-vaulter is nearly motionless as he clears the bar, set 4.2m;m above the ground. He then falls onto a thick pad. The top of the pad is 80 cm{rm cm} above the ground, and it compresses by 50cm;cm as he comes to rest.

What is his acceleration as he comes to rest on the pad?

Reference no: EM13302441

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